func ARM64RegisterShift(reg, op, count int16) (int64, error) {
	// the base register of shift operations must be general register.
	if reg > arm64.REG_R31 || reg < arm64.REG_R0 {
		return 0, errors.New("invalid register for shift operation")
	}
	return int64(reg&31)<<16 | int64(op)<<22 | int64(uint16(count)), nil
}

// ARM64RegisterArrangement constructs an ARM64 vector register arrangement.

    int ERROR_SUCCESS = 0;
    /** Access is denied */
    int ERROR_ACCESS_DENIED = 5;
    /** No more connections can be made to this remote computer */
    int ERROR_REQ_NOT_ACCEP = 71;
    /** The pipe state is invalid */
    int ERROR_BAD_PIPE = 230;
    /** All pipe instances are busy */
    int ERROR_PIPE_BUSY = 231;
    /** The pipe is being closed */
    int ERROR_NO_DATA = 232;
    /** No process is on the other end of the pipe */

    int ERROR_SUCCESS = 0;
    /** Access is denied */
    int ERROR_ACCESS_DENIED = 5;
    /** No more connections can be made to this remote computer */
    int ERROR_REQ_NOT_ACCEP = 71;
    /** The pipe state is invalid */
    int ERROR_BAD_PIPE = 230;
    /** All pipe instances are busy */
    int ERROR_PIPE_BUSY = 231;
    /** The pipe is being closed */
    int ERROR_NO_DATA = 232;
    /** No process is on the other end of the pipe */

        verify(smbFileHandle, times(1)).isValid();
    }

    /**
     * Test isValid() when the handle is invalid.
     */
    @Test
    void testIsValid_whenInvalid() {
        when(smbFileHandle.isValid()).thenReturn(false);
        assertFalse(smbFileHandle.isValid(), "isValid should return false when the handle is invalid.");
        verify(smbFileHandle, times(1)).isValid();
    }

    /**
     * Test close(long) successfully.

        // Verify exact argument interaction
        verify(locator, times(1)).handleDFSReferral(referral, reqPath);
        verifyNoMoreInteractions(locator);
    }

    // Edge / invalid: null referral or empty/blank path
    @Test
    @DisplayName("handleDFSReferral handles null referral and empty path")
    void handleDfsReferralNullAndEmpty() {

		writeErrorResponse(ctx, w, tokenErr, r.URL)
		return
	}

	if subtle.ConstantTimeCompare([]byte(resp.Header.Get(xhttp.AmzRequestToken)), []byte(eventData.GetObjectContext.OutputToken)) != 1 {
		tokenErr := errorCodes.ToAPIErr(ErrInvalidToken)
		tokenErr.Description = "The request token included in the request is invalid"
		writeErrorResponse(ctx, w, tokenErr, r.URL)
		return

    public void test_process_withInvalidExpires() throws Exception {
        // Test that invalid expires value is handled
        Crawler.Options options = new Crawler.Options();
        options.sessionId = "test-session";
        options.expires = "invalid";

        // Verify the expires value is set even if invalid
        assertEquals("invalid", options.expires);
    }

    @Test

    private int userFlags;

    /**
     * Constructs a PAC logon information object from raw PAC data.
     * @param data the raw PAC logon info buffer data
     * @throws PACDecodingException if the data is malformed or invalid
     */
    public PacLogonInfo(final byte[] data) throws PACDecodingException {
        try {
            final PacDataInputStream pacStream = new PacDataInputStream(new DataInputStream(new ByteArrayInputStream(data)));

            assertNull(entry.name.buffer);
        }

        @Test
        @DisplayName("Should throw exception for invalid conformance")
        void testDecodeInvalidConformance() throws NdrException {
            // Given: Mocked buffer data with invalid conformance
            samr.SamrSamEntry entry = new samr.SamrSamEntry();
            when(mockNdrBuffer.dec_ndr_long()).thenReturn(1, 100); // idx, _name_bufferp

	switch whence {
	case io.SeekStart:
		if offset < 0 {
			return 0, errors.New("Invalid offset")
		}
		d.idx = offset
	case io.SeekCurrent:
		if d.idx+offset < 0 {
			return 0, errors.New("Invalid offset")
		}
		d.idx += offset
	case io.SeekEnd:
		if d.length+offset < 0 {
			return 0, errors.New("Invalid offset")
		}
		d.idx = d.length + offset
	}
	return d.idx, nil
}